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Role and clinical significance of TGF‑β1 and TGF‑βR1 in malignant tumors (Review).

ABSTRACT: The appearance and growth of malignant tumors is a complicated process that is regulated by a number of genes. In recent years, studies have revealed that the transforming growth factor‑β (TGF‑β) signaling pathway serves an important role in cell cycle regulation, growth and development, differentiation, extracellular matrix synthesis and immune response. Notably, two members of the TGF‑β signaling pathway, TGF‑β1 and TGF‑β receptor 1 (TGF‑βR1), are highly expressed in a variety of tumors, such as breast cancer, colon cancer, gastric cancer and hepatocellular carcinoma. Moreover, an increasing number of studies have demonstrated that TGF‑β1 and TGF‑βR1 promote proliferation, migration and epithelial‑mesenchymal transition of tumor cells by activating other signaling pathways, signaling molecules or microRNAs (miRs), such as the NF‑κB signaling pathway and miR‑133b. In addition, some inhibitors targeting TGF‑β1 and TGF‑βR1 have exhibited positive effects in in vitro experiments. The present review discusses the association between TGF‑β1 or TGF‑βR1 and tumors, and the development of some inhibitors, hoping to provide more approaches to help identify novel tumor markers to restrain and cure tumors.

SUBMITTER: Wang J

PROVIDER: S-EPMC7895515 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Role and clinical significance of TGF‑β1 and TGF‑βR1 in malignant tumors (Review).

Wang Junmin J Xiang Hongjiao H Lu Yifei Y Wu Tao T

International journal of molecular medicine 20210219 4

The appearance and growth of malignant tumors is a complicated process that is regulated by a number of genes. In recent years, studies have revealed that the transforming growth factor‑β (TGF‑β) signaling pathway serves an important role in cell cycle regulation, growth and development, differentiation, extracellular matrix synthesis and immune response. Notably, two members of the TGF‑β signaling pathway, TGF‑β1 and TGF‑β receptor 1 (TGF‑βR1), are highly expressed in a variety of tumors, such ...[more]

PMID: 33604683

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Project description:Guanine nucleotide exchange factor T (GEFT), a member of the Rho guanine nucleotide exchange factor family, is expressed in a variety of tumors. In the present study, the expression and clinical significance of GEFT in malignant digestive tract tumors was assessed. Tumor and adjacent control samples from 180 patients were tested. Positive GEFT expression rates were 80, 83.33 and 86.67% in esophageal squamous carcinoma (ESCC), gastric carcinoma (GC) and colorectal cancer (CRC), respectively. GEFT expression was associated with diffuse type carcinoma according to the Lauren classification (χ2=12.525, P=0.002) and tumor-node-metastasis (TNM) stages III/IV (χ2=4.033, P=0.045) in GC, and with vessel carcinoma embolus (χ2=7.890, P=0.005) and lymph node metastasis (χ2=5.455, P=0.020) in CRC, but was not associated with other clinicopathological parameters. Patients with high levels of GEFT protein expression had a less favorable outcome compared with patients with low levels of GEFT expression in patients with CRC (χ2=3.876, P=0.049). However, a significant association was not found between GEFT expression and overall survival in patients with ESCC (χ2=0.040, P=0.842) or GC (χ2=0.501, P=0.479). The rate of human epidermal growth factor receptor 2 upregulation in patients with GC was 13.33% and it was associated with nerve invasion (χ2=4.005, P=0.045) and TNM stages III/IV (χ2=5.600, P=0.018). Mismatch repair protein (MMRP) defect was observed in six cases, and the KRAS mutation rate was 26.67% in patients with CRC. GEFT expression was significantly correlated with MMRP (r=-0.285, P=0.027) and KRAS mutation in patients with CRC (r=0.697, P<0.001). These findings revealed frequent GEFT upregulation in malignant digestive tract tumors, which may have promoted tumor development. GEFT expression in CRC may be associated with microsatellite instability and KRAS mutation status, suggesting that GEFT may be a potential therapeutic target for patients with CRC.

Dataset Information

Role and clinical significance of TGF‑β1 and TGF‑βR1 in malignant tumors (Review).

Publications

Role and clinical significance of TGF‑β1 and TGF‑βR1 in malignant tumors (Review).

Similar Datasets

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